(Corrects analyst name in paragraph 9 to "Tavis" from "Travis" in Aug. 5 story) By Devika Krishna Kumar (Reuters) - Motorola Solutions Inc said private equity firm Silver Lake would invest $1 billion in the maker of walkie-talkies and radio systems as it looks to boost growth in its services business, which includes video monitoring and data analytics. Motorola Solutions, whose shares were up 6 percent in early trading on Wednesday, also said it planned a $2 billion buyback. The investment is one of the largest ever by Silver Lake, which led a $24.9 billion deal to take Dell Inc private in 2013.



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